Through Oct. 27: “Family by Day, Fright by Night” is the theme. Not-so-scary activities during the day on weekends include the Trick or Treat Trail. At 5 p.m. each Friday through Sunday the park is terrorized by zombies with three new haunted attractions. Tickets vary. 2000 Elitch Circle, elitchgardens.com

Oct. 31: Costumed parade for kids begins 10 a.m. Children (recommended for pre-school ages) can visit merchants on College Avenue for treats, then head to the Sunset Event Center for a “Monster Mash” party. Activities are free. Downtown Fort Collins, 970-484-6500, DowntownFortCollins.com

Central City’s Creepy Crawl

Oct. 19 and Oct. 25-26: One-hour walking tour of haunted buildings hosted by Gilpin Historical Society. First tour departs 7 p.m., then every 20 minutes until 9:40 p.m. Tickets $10, $15 day of event. Ages 16 and over; under 21 must be with parent or guardian. Tours leave from Century Casino side entrance on Gregory Street, 1-866-464-2626, playcentralcity.com

Oct. 26-27: Hay rides, candle dipping, crafts, a maze, pumpkin picking and more, 4-8 p.m. A costume contest is also offered each night at 5 and 7 p.m. $2, $1 ages 3-18, free age 2 and under. Those under 18 must be accompanied by an adult. Centennial Village Museum, 14th Avenue and A Street, Greeley, 970-350-9220, greeleymuseums.com

Oct. 19 and 25-26: Fairmount Heritage Foundation tours. Get the details on the legend of the Lester Drake monument, the secret sorrow of the Bell Family and the Jones Mausoleum Mystery. Tours start at 4:30, 5:30, 6:30 and 7:30 p.m. Tickets are $15 in advance only, no tickets sold on site. Flashlights recommended. Riverside Cemetery, 5201 Brighton Blvd., 303-322-3895, eventbrite.com

Through Nov. 2: Nearly 100 actors. Hours and admission vary. 13th Floor is located at 4120 Brighton Blvd.; The Asylum is located at 6100 E. 39th Ave., getscared.com

Colorado Fear Fest

Through Oct. 31: Arvada’s first dual-haunt and Halloween festival. Two haunts, the Grisly Lodge and Dark Mines; local food vendors, entertainment and artistry. Times and tickets vary. The Grisly Lodge and the Dark Mine in Olde Town Arvada, 303-842-5273, coloradofearfest.com

Oct. 24-27 and 30-31: “Haunted Hike,” an interactive theatrical experience for ages 13 and over, 7-10 p.m. Wednesday, Thursday and Sunday, 7-11 p.m. Friday and Saturday. $10. At former Old Navy location in Green Village of The Outlets at Silverthorne, 970-513-1151, lakedillontheatre.org